102404431189 has 2 divisors, whose sum is σ = 102404431190. Its totient is φ = 102404431188.

The previous prime is 102404431177. The next prime is 102404431277. The reversal of 102404431189 is 981134404201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66891028689 + 35513402500 = 258633^2 + 188450^2 .

It is a cyclic number.

It is not a de Polignac number, because 102404431189 - 2⁷ = 102404431061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102404438189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51202215594 + 51202215595.

It is an arithmetic number, because the mean of its divisors is an integer number (51202215595).

Almost surely, 2^102404431189 is an apocalyptic number.

It is an amenable number.

102404431189 is a deficient number, since it is larger than the sum of its proper divisors (1).

102404431189 is an equidigital number, since it uses as much as digits as its factorization.

102404431189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 102404431189 in words is "one hundred two billion, four hundred four million, four hundred thirty-one thousand, one hundred eighty-nine".